Sangean SG-622 (V1) - Manual (Page 7)

Tuning methods
1
2
3
5
Turn the radio by switching power knob to on position. Select
FM, MW and SW at the band selector . Should you select SW band,
then choose the desired SW meter band (SW1-10) by same selector.
Then use the tuning knob , tune to the desired station. When a
radio stations is tuned correctly, the tuning LED will be lighted on.
Turn off the radio by switching power knob to its off position.
7